Function setFilenameError

packages/web/src/components/cells/code.tsx:174–177

(error: string | null)

  } = useCells();

  function setFilenameError(error: string | null) {
    _setFilenameError(error);
    setTimeout(() => _setFilenameError(null), 3000);
  }

  useEffect(() => {
    if (!channel) {